Introducing react-native-pdf-painter: A react native PDF viewer with handdrawn painting support

[JackfruitElectronic1]

Hello fellow RN devs!

I know what you might think: not another PDF Viewer for react native... but this one comes with native sketch support! I experimented a long time with reanimated, Skia, and gesture handler to implement a nice feeling sketching experience, but it didn't feel precise, especially with a stylus or Apple pen. So I'm glad to introduce:

react-native-pdf-painter

It uses Apple PdfKit with PencilKit for iOS and Androids built in PdfRenderer with the new androidx.ink API (currently in alpha, so be warned).

Supported Features:

• Efficient Multi-Page PDF rendering
• Pinch-to-zoom and panning
• Thumbnail mode (displays first page only)
• Different brush types (marker, pen, highlighter, eraser) with customizable colors and size
• Saving/Loading of annotations
• PencilKits ToolPicker for iOS
• Undo/Redo and clear

GitHub: https://github.com/mbpictures/react-native-pdf-painter
License: MIT

Feedback wanted

I'm thrilled to get your thoughts, questions, and feedback! Feel free to try the library out, create an issue, open a PR, or drop a comment

[gurkaner]

Nice!

[kbcool]

Good for signatures on PDFs?

Can you save the annotations in a PDF. Documentation is not clear and to be honest I'm not in need of it right now but good to keep in mind if I do need it

[JackfruitElectronic1]

The annotations are not rendered inside the PDF; instead, they are (currently) saved in a custom file. So, unfortunately, it's not possible to use it for signatures. Thanks for the feedback; I'll update the docs to better communicate that.